National Stock Number (NSN) 2805-01-146-2586, or NIIN 011462586, (cylinder head,gasoline engine) was assigned January 26, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 2805013348712, 2805011108491.
There are 3 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 5 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7L523P0477, SPM7L513V1553, SPM7L513V1415, SPM7L112V4840, SPM75006D7461. The total value of the awarded contracts has been US$ 12,001.86.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 13, 2014, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 60371. [AN ITEM DESIGNED TO INCLOSE THE CYLINDER BORE(S) OF AN ENGINE BLOCK TO FORM A COMBUSTION CHAMBER(S). IT MAY HAVE LIQUID COOLING PASSAGE(S) AND/OR AIR COOLING FIN(S) AND MAY INCLUDE VALVE(S), VALVE GUIDE(S), ROCKER ARM(S), AND THE LIKE. IT IS A COMPONENT PART OF AN ENGINE, GASOLINE. SEE ALSO CYLINDER HEAD, DIESEL ENGINE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2805011462586 does not contain precious metals.
This NSN is associated to Schedule B 8409918000: parts for spark-ignition internal combustion piston engines, nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.
This information was last updated on Aug 01, 2025.